求华东师大版七年级上、下册数学教学视屏、教案、配套练习下载网址！
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2005\u5b66\u5e74\u5ea6\uff08\u4e0b\uff09\u521d\u4e00\u6570\u5b66\u671f\u4e2d\u6d4b\u8bd5\u9898
\u4e00\u3001 \u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u5c0f\u98982\u5206\uff0c\u517120\u5206\uff09
1\u3001\u5f53 \u65f6\uff0c\u4ee3\u6570\u5f0f \u7684\u503c\u662f7\u3002
2\u3001\u4e0d\u7b49\u5f0f\u7ec4 \u7684\u89e3\u96c6\u662f \u3002
3\u3001\u5982\u53f3\u56fe\u4e2d\uff0c\u2220A=30\u00b0\uff0c\u2220BCD=68\u00b0\uff0c\u5219\u2220B= \u3002
4\u3001\u5df2\u77e5 \u662f\u4e00\u5143\u4e00\u6b21\u4e0d\u7b49\u5f0f\uff0c\u90a3\u4e48 \uff0c \u3002
5\u3001\u5bf9\u4e8e\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b \u7684\u6b63\u6574\u6570\u89e3\u4e3a
6\u3001 \u7684\u6b63\u6574\u6570\u89e3\u4e3a \u3002
7\u3001\u4e00\u957f\u65b9\u5f62\u7684\u5468\u957f\u4e3a24\uff0c\u957f\u6bd4\u5bbd\u59271\uff0c\u8bbe\u957f\u4e3a \uff0c\u5bbd\u4e3a \uff0c\u5217\u51fa\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u4e3a \u3002
8\u3001\u67d0\u4ef6\u5546\u54c1\uff0c\u628a\u8fdb\u4ef7\u63d0\u9ad8\u540e\u6807\u4ef7\u4e3a220\u5143\uff0c\u4e3a\u4e86\u5438\u5f15\u987e\u5ba2\u518d\u63099\u6298\u51fa\u552e(\u5373\u5356\u4ef7\u4e3a\u6807\u4ef7\u768490\uff05)\uff0c\u8fd9\u4ef6\u5546\u54c1\u4ecd\u80fd\u76c8\u522910\uff05\uff0c
\u8fd9\u4ef6\u5546\u54c1\u7684\u8fdb\u4ef7\u4e3a \u5143 \u3002
9\u3001\u5982\u53f3\u56fe\uff0c\u5728\u25b3ABC\u4e2d\uff0c\u2220B\u548c\u2220C\u7684\u5e73\u5206\u7ebf\u4ea4\u4e8e\u70b9O\uff0c
\u82e5\u2220A=50\u00b0\uff0c\u5219\u2220BOC= \u3002
10\u3001\u4e0d\u7b49\u5f0f \u7684\u89e3\u96c6\u4e3a \uff0c\u5219 \u7684\u503c\u4e3a \u3002
\u4e8c\u3001 \u9009\u62e9\u9898\uff1a\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517118\u5206\uff09
11\u3001\u4e0b\u5217\u5404\u5f0f\u4e2d\u662f\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u7684\u662f\uff08 \uff09
(A) (B) (C) (D)
12\u3001\u4e0b\u5217\u53d8\u5f62\u4e2d\u6b63\u786e\u7684\u662f\uff08 \uff09
(A) \u82e5 \uff0c\u5219 (B) \u82e5 \uff0c\u5219
(C) \uff0c\u5219 (D) \u82e5 \uff0c\u5219
13\u3001\u5982\u53f3\u56fe\u6240\u793a\uff0c\u5728\u25b3ABC\u4e2d\uff0c AB=8\uff0cAC=6\uff0c
AD\u662f\u25b3ABC\u7684\u4e2d\u7ebf\uff0c\u5219\u25b3ABD\u4e0e\u25b3ADC\u7684
\u5468\u957f\u4e4b\u5dee\u4e3a\uff08 \uff09\u3002
(A) 14 (B) 1 (C) 2 (D) 7
14\u3001\u82e5 \u7684\u503c\u662f\u975e\u8d1f\u6570\uff0c\u5219 \u7684\u53d6\u503c\u8303\u56f4\u662f\uff08 \uff09
(A) (B) (C) (D)
15\u3001\u65b9\u7a0b \u4e14 \uff0c\u5219 \u7684\u503c\u4e3a\uff08 \uff09
(A) 5 (B) 6 (C) 7 (D) 8
16\u3001\u4e0d\u7b49\u5f0f\u7ec4 \u7684\u89e3\u96c6\u4e3a\u65e0\u89e3\uff0c\u5219 \u7684\u53d6\u503c\u8303\u56f4\u4e3a\uff08 \uff09
(A) (B) (C) (D)
\u4e09\u3001 \u89e3\u4e0b\u5217\u65b9\u7a0b\uff08\u7ec4\uff09\u3001\u4e0d\u7b49\u5f0f\uff1a\uff08\u6bcf\u5c0f\u98985\u5206\uff0c\u517120\u5206\uff09
17\u3001\u89e3\u65b9\u7a0b\uff1a\uff081\uff09 \uff082\uff09\u89e3\u4e0d\u7b49\u5f0f\uff1a
18\u3001\u89e3\u65b9\u7a0b\u7ec4 19\u3001\u89e3\u4e0d\u7b49\u5f0f\u7ec4
\u5e76\u628a\u89e3\u96c6\u8868\u793a\u5728\u6570\u8f74\u4e0a\u3002
\u56db\u3001 \u4f5c\u56fe\u9898\uff1a\uff085\u5206\uff09
20\u3001\u5df2\u77e5\uff1a\u5982\u53f3\u56fe\uff0c\u5728\u25b3ABC\u4e2d\uff0c
\u6c42\u4f5c\uff1a(1)AB\u8fb9\u4e0a\u7684\u4e2d\u7ebf
(2)AB\u8fb9\u4e0a\u7684\u9ad8
\u4e94\u3001\u89e3\u7b54\u9898\uff1a
21\u3001\u5df2\u77e5 \uff0c\u5f53 \u65f6\uff0c \uff1b\u5f53 \u65f6\uff0c \u3002\uff087\u5206\uff09
(1)\u6c42 \u3001b\u7684\u503c\u3002 (2) \u5f53 \u65f6\uff0c \u7684\u503c\u3002
22\u3001\u5f53m\u4e3a\u4f55\u503c\u65f6\uff0c\u65b9\u7a0b \u7684\u89e3 \u662f\u6b63\u6570\uff1f\uff087\u5206\uff09
23\u3001\u5217\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u89e3\u5e94\u7528\u9898\uff1a\u690d\u6811\u8282\u5230\u4e86\uff0c\u5168\u73ed45\u540d\u540c\u5b66\u5206\u4e24\u7ec4\u690d\u6811\uff0c\u8981\u6c42\u7532\u7ec4\u6bcf\u4eba\u53ea\u63165\u4e2a\u5751\u4e0d\u690d\u6811\uff0c\u4e59\u7ec4\u6bcf\u4eba\u63163\u4e2a\u5751\u5e76\u690d\u68117\u68f5\uff0c\u95ee\u5982\u4f55\u5206\u914d\u4e24\u7ec4\u7684\u4eba\u6570\uff0c\u624d\u80fd\u4f7f\u6316\u5751\u7684\u6570\u4e0e\u690d\u6811\u7684\u68f5\u6570\u6b63\u597d\u76f8\u7b49\uff1f\uff087\u5206\uff09
24\u3001\u67d0\u4e2d\u5b66\u4e3e\u884c\u6570\u5b66\u7ade\u8d5b\uff0c\u8bc4\u51fa\u4e00\u7b49\u59564\u4eba\uff0c\u4e8c\u7b49\u59566\u4eba\uff0c\u4e09\u7b49\u595620\u4eba\uff0c\u5b66\u6821\u51b3\u5b9a\u7ed9\u83b7\u5956\u7684\u540c\u5b66\u53d1\u5956\u54c1\uff0c\u540c\u4e00\u7b49\u6b21\u7684\u5956\u54c1\u76f8\u540c\uff0c\u5e76\u4e14\u53ea\u80fd\u4ece\u4e0b\u8868\u6240\u5217\u7269\u54c1\u4e2d\u9009\u53d6\u4e00\u4ef6\uff1a
\u54c1\u540d \u8db3\u7403 \u6392\u7403 \u7fbd\u6bdb\u7403\u62cd \u6587\u5177\u76d2 \u76f8\u518c \u94a2\u7b14 \u5706\u89c4 \u7b14\u8bb0\u672c \u5706\u73e0\u7b14
\u5355\u4ef7(\u5143) 32 20 16 10 8 5 4 3 2
\uff081\uff09 \u5982\u679c\u83b7\u5956\u7b49\u6b21\u8d8a\u9ad8\uff0c\u5956\u54c1\u7684\u5355\u4ef7\u5c31\u8d8a\u9ad8\uff0c\u90a3\u4e48\u5b66\u6821\u6700\u5c11\u8981\u82b1\u591a\u5c11\u94b1\u4e70\u5956\u54c1\uff1f
\uff082\uff09 \u82e5\u8981\u6c42\u4e00\u7b49\u5956\u7684\u5956\u54c1\u5355\u4ef7\u662f\u4e8c\u7b49\u5956\u5956\u54c1\u5355\u4ef7\u76842\u500d\uff0c\u4e8c\u7b49\u5956\u5956\u54c1\u5355\u4ef7\u662f\u4e09\u7b49\u5956\u5956\u54c1\u5355\u4ef7\u76842\u500d\uff0c\u5728\u603b\u8d39\u7528\u4e0d\u8d85\u8fc7200\u5143\u7684\u524d\u63d0\u4e0b\uff0c\u6709\u54ea\u51e0\u79cd\u8d2d\u4e70\u7684\u65b9\u5f0f\uff1f\u82b1\u8d39\u6700\u591a\u7684\u4e00\u79cd\u9700\u591a\u5c11\u94b1\uff1f\uff08\u51719\u5206\uff09
25\u3001\u5982\u4e0b\u56fe\u2460\u4e2d\uff0c\u6709\u4e00\u4e2a\u4e94\u89d2\u5f62ABCDE
(1) \u95ee\u22201=\u2220B+\u2220D\u5417\uff1f\u8bf7\u8bf4\u660e\u7406\u7531
(2) \u4f60\u80fd\u8bf4\u660e\u2220A+\u2220B+\u2220C+\u2220D+\u2220E=180\u00b0\u5417\uff1f
(3) \u4e0a\u9898(2)\u4e2d\u7684\u7ed3\u8bba\u5728\u56fe\u2461\u4e2d\u662f\u5426\u4f9d\u7136\u6210\u7acb\uff1f\u8bf7\u8bf4\u660e\u7406\u7531\u3002\uff087\u5206\uff09
http://www.xuehai.net/jiaoan/
感觉很好，挺全的
绛旓細鏁欏鍐呭锛氭湰瀛︽湡鏁欐潗鏄鍗庝笢甯堝ぇ鐗堜竷骞寸骇涓嬫暟瀛鏁欐潗锛屽叾涓昏鍐呭鏈夛細绗叚绔 涓鍏冧竴娆℃柟绋 绗竷绔 浜屽厓涓娆℃柟绋嬬粍 绗叓绔 澶氳竟褰 绗節绔 杞村绉 绗崄绔 缁熻鐨勫垵姝ヨ璇 璇鹃瀛︿範 涓夈佹暀瀛﹂噸銆侀毦鐐癸細1銆佷竴鍏冧竴娆℃柟绋嬪拰浜屽厓涓娆℃柟绋嬬粍鏄笌瀹為檯鐢熸椿瀵嗗垏鐩稿叧鐨勫唴瀹癸紝閲嶇偣鏄粠瀹為檯鎯呭鍑哄彂鍩轰簬...
绛旓細鏁板鍗庝笢甯堝ぇ鐗堜竷骞寸骇涓鎵鏈夊畾鐞,鎬ц川,鍏紡 鎬ュ晩,鎶婃墍鏈夌殑鍒嗛兘渚涘嚭鍘讳簡銆... 鎬ュ晩,鎶婃墍鏈夌殑鍒嗛兘渚涘嚭鍘讳簡銆 灞曞紑 2涓洖绛 #鐑# 宸插濂虫у氨搴旇鎵挎媴瀹堕噷澶ч儴鍒嗗鍔″悧?闂诲崥褰︽枃 2010-07-15 路 TA鑾峰緱瓒呰繃1414涓禐 鐭ラ亾绛斾富 鍥炵瓟閲:124 閲囩撼鐜:0% 甯姪鐨勪汉:0 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 灞曞紑...
绛旓細8銆乤=1 9銆20鎴25 10銆乲=11/3
绛旓細(1)鍚庨潰鐨3涓暟1,-1,1锛涚10涓暟-1銆佺100涓-1銆佺200涓-1銆佺201涓暟1 (2)鍚庨潰鐨3涓暟9,-10,11锛涚10涓暟-10銆佺100涓-100銆佺200涓-200銆佺201涓暟201 (3)鍚庨潰鐨3涓暟1/8,-1/9,1/10锛涚10涓暟-1/10銆佺100涓-1/100銆佺200涓-1/200銆佺201涓暟1/201 鐢ㄥ壀鍒灏嗛暱...
绛旓細宸茬煡锛氬湪鈻矨BC涓紝AB锛淎C锛孊C杈逛笂鐨勫瀭鐩村钩鍒嗙嚎锛孌E浜C浜庣偣D锛屼氦AC浜庣偣E锛孉C=8cm.鈻矨BE鐨勫懆闀挎槸14cm锛屾眰AB鐨勯暱
绛旓細涓ょ増鐨勪綋渚嬩笉涓锛屼汉鏁欑増鎸夌収璁鸿瘉鍑犱綍鐨勪綋绯荤紪鍐欙紝鍗庝笢甯堝ぇ鐗鎸夌収鍙樻崲鍑犱綍鐨勪綋绯荤紪鍐欍備袱鐗堢殑绔犺妭鍐呭鐣ユ湁宸埆锛屼緥濡備汉鏁欑増鎶娾滄棆杞濇斁鍦ㄤ節骞寸骇涓婂唽锛鑰屽崕涓滃笀澶х増鎶娾滄棆杞濇斁鍦涓冨勾绾т笅鍐銆傚綋鐒讹紝涓ょ増鐨勫熀鏈煡璇嗙偣鏄竴鑷寸殑锛岄兘绗﹀悎鏂拌鏍囩殑瑕佹眰銆傚叿浣撳摢涓洿闅撅紝鍙兘瑕佺湅涓汉鐨勫枩濂藉拰涔犳儻浜嗐備綘鍙互鏍规嵁...
绛旓細绛旂暐 3棰樿В璁捐溅閫熸槸姣忓皬鏃秞鍗冪背 7x-4(x+30)=30 7x-4x-120=30 3x-120=30 3x=150 x=50 绛旂暐 14.瑙ｏ細璁惧皬鐜嬬殑閫熷害涓簒绫/绉掞紝鍒欏彅鍙旂殑閫熷害涓3/2x绫/绉掋傛牴鎹鎰忥紝鍒楁柟绋嬶紝寰32x+32*3/2x=400,瑙ｅ緱x=5 3/2x=7.5 璁惧彅鍙旈殧浜唗绉掍笌浠栧啀娆＄浉閬 7.5t-5t=400 t=160 ...
绛旓細灏忓鍥涘勾绾у彂灞曞悗婊氱炕鑳藉姏璇句緥 灏忓3骞寸骇绔嬪畾璺宠繙鏁欐 涓冨勾绾锛堜笅锛 Unit 2 鈥淲hy do you like koala bears?鈥濇暀瀛︽渚嬪強鐐硅瘎 銆 Go for it 銆嬩竷骞寸骇锛堜笂鍐岋級 Unit8 鏁欏妗堜緥鍒嗘瀽 鏂扮増灏忓鑻辫涓夊勾绾х涓鍐 Lesson2鏁欏妗堜緥 鏂扮増灏忓鑻辫涓夊勾绾х涓鍐 Lesson2鏁欏妗堜緥 锛鍗庝笢甯堝ぇ鐗锛夊叓骞寸骇涓嬪唽鈥...
绛旓細9.3.634,-0.147,10.077 10.鍒嗚В绱犲洜鏁200=浜岀殑涓夋鏂逛箻浠ヤ簲鐨勫钩鏂瑰洜涓烘槸绔嬫柟鏍癸紝浜屽紑寰楀嚭鏉ユ墍浠ユ槸浜旓紝鍥犱负鏄礋鏁存暟鎵浠ユ槸璐熶簲銆11銆佹璐熷崄 12銆2 3銆3娆℃牴鍙穢鏂瑰姞涓
绛旓細銆婃柊璇剧▼璇惧爞鍚屾缁冧範鍐屄锋暟瀛(鍗庝笢鐗堜竷骞寸骇涓嬪唽)銆嬪弬鑰冪瓟妗堢6绔 涓鍏冧竴娆℃柟绋嬄6.1 浠庡疄闄呴棶棰樺埌鏂圭▼涓銆1.D 2. A 3. A浜屻1. x = - 6 2. 2x-15=25 3. x =3(12-x)涓夈1.瑙:璁剧敓浜ц繍钀ョ敤姘磝浜跨珛鏂圭背,鍒欏眳姘戝搴敤姘(5.8-x)浜跨珛鏂圭背,鍙垪鏂圭▼涓:5.8-x=3x+0.62.瑙:璁捐嫻鏋滀拱浜唜鍗冨厠,...
